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	<meta charset="UTF-8">
	<title>Document</title>
	<script type="text/javascript">
		//'['+'hello'+','+'12'+','+'80'+','+'3'+','+'jack'+','+'HELLO'+']')
		/*将数组 arr = [hello,12,80,3,jack,HELLO] 拼接成字符串
		'[hello,12,80,3,jack,HELLO]'*/
        var arr=['hello',12,80,3,'jack','HELLO']
		
		for(var i=0;i<arr.length;i++){
			console.log(arr[i])}
		
	</script>
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